DNA Marker Index information for Chromosome: Y Marker: FGC44943.3Names and Aliases for this DNA Marker: Y20903.3, FGC44943.3, rs1025531190.Chromosome Position in hg38 Human Genome assembly1: 20991388.Chromosome Position in hg19 assembly2: 23153274 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.